Great replacement for your broken one with this Star Knob.
Screw on type design for easy install and with surface nice finish for comfortable grip.
Widely used for lathe machine, mechanical equipment, instrument and apparatus, food and pharmaceutical industry equipment.

Specification:

★.Product Name : Star Knob
★.Model:
★.Type : Screw Type
★.Head Size :30 x 20mm /1.18" x 0.79" (L*T)
★.Thread Length : 15mm /0.59 "
★.Thread Diameter : M6
★.Total Length : 35mm /1.38 "
★.Material : Metal, Plastic

Package Content : 6 x Star Knob
M6 Thread 5-Star Knobs, 30mm Star Head diameter and 35mmTotal height
Thread Size:M6x15mm/0.24''x0.59'', Someone uses it as an umbrella handle, maybe it can inspire your project, Is a small and replaceable part
Simple installation, no need for other tools, can be installed or disassembled with one hand, saving your time
Made of plastic and metal, strong stability, Star knobs are smooth, beautiful and comfortable to hold
Package Content:6 x M6 Star Head Clamping Knob